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【单选题】

A current moving across a lock entrance toward the river or toward the dam is called a(n)（）.

A、cutoff

B、outdraft

C、lockwash

D、springpool

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更多“A current moving across a lock entrance toward the river or toward the dam is called a(n)（）.”相关的问题
第1题
[单选题] A stream of water immediately surrounding a moving vessel’s hull，flowing in the same direction as the vessel is known as（）.

A、directional current  B、forward current  C、propeller current  D、wake current  

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第2题
[] A stream of water immediately surrounding a moving vessel’s hull，flowing in the same direction as the vessel is known as（）.

A、A.directional current  B、B.forward current  C、C.propeller current  D、D.wake current  

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第3题
[单选题] A vessel is proceeding downstream in a narrow channel on the Western Rivers when another vessel is sighted moving upstream. Which vessel has the right of way? （）

A、The vessel moving upstream against the current  B、The vessel moving downstream with a following current  C、The vessel located more towards the channel centerline  D、The vessel with the least amount of maneuverability  

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第4题
[单选题] 双闭环直流调速系统在启动过程的第二阶段（）。

A、ASR、ACR均处于饱和状态  B、ASR处于饱和状态，ACR处于不饱和状态  C、ASR、ACR均处于不饱和状态  D、ASR处于不饱和状态，ACR处于饱和状态  

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第5题
[单选题] In a twin screw ship going half-ahead，both screws turning outboard and the rudder amidships，no current or wind，the vessel will（）.

A、Move bodily to port  B、Move bodily to starboard  C、Move in a zig-zag motion  D、Steer a fairly straight course  

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第6题
[单选题] In a twin screw ship going half-ahead，both screws turning outboard and the rudder amidships，no current or wind，the vessel will（）.

A、Move bodily to port  B、Move bodily to starboard  C、Move in a zig-zag motion  D、Steer a fairly straight course  

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第7题
[单选题] In a twin screw ship going half-ahead , both screws turning outboard and the rudder amidships,no current or wind,the vessel will（）.

A、move bodily to port  B、move bodily to starboard  C、move in a zig-zag motion  D、steer a fairly straight course  

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第8题
[单选题] 下面描述一次拨号智能消息流程，正确的是（）。

A、IDP－RRBE－PC－CTR－AC―CONNECT―ACR―ERB―RC  B、IDP－RRBE－CTR－DFC－AC―CONNECT―ACR―ERB―RC  C、IDP－RRBE―PC―DFC―AC―CONNECT―ACR―ERB―RC  D、IDP－RRBE―DFC－CTR－AC―CONNECT―ACR―ERB―RC  

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第9题
[多选题] Which two statements are true about the use of the procedures listed in the vsysaux_occupants.move_procedure column?（）

A、The procedure may be used for some components to relocate component data to the SYSAUX tablespace from its current tablespace.  B、The procedure may be used for some components to relocate component data from the SYSAUX tablespace to another tablespace.  C、All the components may be moved into SYSAUX tablespace.  D、All the components may be moved from the SYSAUX tablespace.  

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